Synonym(s):

The perennial big-fruit evening-primrose or Missouri evening-primrose can be trailing or upright, usually growing 8-10 in. high. Its large, 3-4 in. wide, yellow flowers are showy. The four-petaled flowers, which grow from the upper leaf axils, open in the evening and close the next day, sometimes fading reddish. The foliage is narrow, thick and gray-green.

Distribution

Growing Conditions

Water Use: Low Light Requirement: Sun Soil Moisture: Dry Soil Description: Rocky, gravelly, or sandy soils. Calcareous, Sandy, Limestone-based, Sandy Loam, Medium Loam Conditions Comments: Stunning, large, four-petaled yellow flowers open in the early evening on a handsome plant with low, mounding habit. Flowers are open for only one evening, but the plant flowers over a long period of time.